Asked by Grethel Hodovanec on May 10, 2024

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The dorsal rami of the spinal nerves:

A) carry motor and sensory fibers to the spinal cord.
B) carry motor and sensory fibers to the extremities.
C) carry motor and sensory fibers to the muscles and organs of the body.
D) carry motor and sensory fibers to the muscles and skin of the back.

Dorsal Rami

Branches of spinal nerves that innervate muscles, joints, and skin of the back.

Motor And Sensory Fibers

Nerves that carry both motor (movement-related) and sensory (sensation-related) signals between the brain, spinal cord, and the rest of the body.

Spinal Nerves

Nerves that originate in the spinal cord and branch out to various body parts to transmit motor, sensory, and autonomic signals between the spinal cord and the body.

  • Understand the architecture and role of the nervous system, distinguishing between myelinated and unmyelinated neural fibers.
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Beata WielgoszewskiMay 17, 2024
Final Answer :
D
Explanation :
The dorsal rami of the spinal nerves carry motor and sensory fibers to the muscles and skin of the back. They do not extend to the extremities or other organs of the body.